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1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   Network Operations Center
   NOC
      (NOC) A location from which the operation of a network or
      internet is monitored.  Additionally, this center usually
      serves as a clearinghouse for connectivity problems and
      efforts to resolve those problems.
      See also Network Information Center.
      (1994-12-01)